CN114320159B - Goaf bottom edge construction drilling method and device - Google Patents
Goaf bottom edge construction drilling method and device Download PDFInfo
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- CN114320159B CN114320159B CN202111634191.3A CN202111634191A CN114320159B CN 114320159 B CN114320159 B CN 114320159B CN 202111634191 A CN202111634191 A CN 202111634191A CN 114320159 B CN114320159 B CN 114320159B
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- goaf
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- pipe body
- bottom edge
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000002689 soil Substances 0.000 claims abstract description 48
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 238000004080 punching Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of goaf backfill, in particular to a goaf bottom edge construction drilling device which comprises a water storage bin, wherein the output end of the water storage bin is connected with the input end of a pump through a water pipe, the pump is connected with a punching mechanism for punching through the water pipe, the punching mechanism comprises a pipe body, a feeding mechanism is detachably and fixedly arranged in the pipe body, the bottom of the pipe body is movably connected with a water cutting mechanism, the upper end of the water cutting mechanism is designed with a power surface inclined plane, so that flowing water flow can generate thrust to the power surface, the power surface can rotate rapidly, meanwhile, the water flow is sprayed out from a high-pressure spray head to wash out soil, water cutting is realized, the water cutting mechanism can deeply operate the soil by means of vibration of a vibrator, and the mode of deep soil of micro vibration can effectively reduce vibration damage to the soil and reduce the problem of mine cave collapse.
Description
Technical Field
The invention relates to the technical field of goaf backfill, in particular to a goaf bottom edge construction drilling method and device.
Background
The goaf is a cavity generated under the ground surface by artificial excavation or natural geological movement, and the existence of the goaf can lead to the safety production of mines to face a great safety problem, and personnel and mechanical equipment can fall into the goaf to be damaged.
Because of the safety hazard of the goafs, the existing developer can backfill the mined-out goafs, the single-layer goafs are backfilled by punching and grouting modes, and the multilayer goafs, namely, a composite vertical goafs with obvious layering appears on the ground, are generally drilled and grouted in the upper goafs of the bottom goafs, and then are grouted layer by layer in the mode of drilling and grouting the upper goafs in the upper goafs, and in the grouting and punching process of the multilayer goafs, due to the fact that the hole diameter is large, the existing large punching device can bring severe vibration to soil layers, and the risk of collapse of mine holes exists.
Disclosure of Invention
The invention aims to provide a goaf bottom edge construction drilling method and device, which are used for solving the problems in the background technology.
In order to achieve the purpose, the goaf bottom edge construction drilling method comprises the following steps:
firstly, constructing a model, and constructing a multi-layer space visualization model in a goaf through the combination of an acoustic wave scanning technology and a BIM technology;
sampling and analyzing, namely selecting soil components of each region at the bottom edge of the goaf for analysis, analyzing the abrupt adhesion degree of each region, and judging the firmness of the soil;
step three, selecting the edge with the highest soil adhesive strength to drill holes through the analysis of the step two;
step four, softening soil, namely continuously flushing the soil by circulating high-pressure water flow to form a ring-shaped soil softening layer;
fifthly, leading in the communicating pipe, and enabling the pipe body to continuously penetrate into soft soil under the action of continuous vibration of the vibrator and self gravity of the pipe body;
step six, taking soil, penetrating through the upper goaf and the lower goaf, continuously digging and conveying the soil inside the communicating pipe through the spiral conveying rod, and synchronously carrying out the operation and the vibration of the pipe body in the step five;
and seventhly, grouting and backfilling, taking down the spiral conveying rod and the vibration assembly, and injecting mortar into the goaf at the lower layer through the hollow communicating pipe.
As a preferred option: and thirdly, selecting N equidistant points on a circular band at the bottom edge of the goaf to drill holes.
As a preferred option: and seventhly, drilling a plurality of small-aperture air release holes in the non-perforated area in grouting backfill.
The drilling device for goaf bottom edge construction comprises a water storage bin, wherein the output end of the water storage bin is connected with the input end of a pump through a water pipe, and the pump is connected with a punching mechanism for punching through the water pipe;
the punching mechanism comprises a pipe body, a feeding mechanism is detachably and fixedly arranged in the pipe body, a water cutting mechanism is movably connected to the bottom of the pipe body, a liquid flow passage used for communicating the pump and the water cutting mechanism is arranged on the inner wall of the pipe body, and a vibration assembly is arranged on the outer wall of the pipe body.
As a preferred option: the feeding mechanism comprises a motor and a spiral feeding rod, the motor is detachably and fixedly arranged on the inner side of the pipe body, the output end of the motor is in threaded connection with a threaded connection ring of the spiral feeding rod, and the threaded connection ring is fixedly connected with the motor through a fixing pin.
As a preferred option: the vibrating assembly comprises a fixed bin and a vibrator, wherein the fixed bin is detachably arranged on the outer wall of the pipe body, and the vibrator is fixedly arranged on the inner wall of the fixed bin.
As a preferred option: the lower extreme of body is provided with the ring channel, the inside swing joint of ring channel has water cutting mechanism, water cutting mechanism includes the expansion ring, the upper end fixedly connected with of expansion ring is a plurality of and is the heliciform power face, the hole has been seted up to the inboard of power face, just the hole intercommunication is located the power face under and with the fixed high pressure shower nozzle of expansion ring, the lower extreme door roll connection of expansion ring has the movable ball.
As a preferred option: the inside of the pipe body is provided with a discharge hole, and the inner side of the pipe body, which is close to the lower end face of the discharge hole, is provided with a discharge plate.
As a preferred option: the lower end of the pipe body is of an inclined knife face structure.
As a preferred option: one end of the liquid flow passage is communicated with a water pipe, the other end of the liquid flow passage is communicated with a water flow nozzle, and the water outlet direction of the water flow nozzle is perpendicular to the inclined plane of the power surface.
Compared with the prior art, the invention has the advantages that the inclined plane design of the power surface at the upper end of the water cutting mechanism enables flowing water flow to generate thrust to the power surface, so that the power surface rotates rapidly, meanwhile, water flow is sprayed out from the high-pressure spray head to wash soil to realize water cutting, the softening of the soil enables the water cutting mechanism to realize deep soil operation by means of vibration of the vibrator, and the micro-vibration deep soil mode of the invention can effectively reduce vibration damage to the soil and reduce the problem of cave collapse, and the structural design reduces the use of an electric power assembly, is convenient for reducing equipment cost and is convenient for maintenance of equipment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the area A in FIG. 1;
FIG. 3 is a schematic view of the structure of the region B in FIG. 1;
FIG. 4 is a schematic view of a perspective mechanism of the movable ring;
fig. 5 is a schematic two-diagram of a three-dimensional mechanism of the movable ring.
In the figure: 1. a water storage bin; 2. a pump machine; 3. a punching mechanism; 4. a water pipe; 31. a tube body; 32. a discharge port; 33. a discharge plate; 34. a fixed bin; 35. a vibrator; 36. a spiral material conveying rod; 37. a motor; 38. a fixing frame; 39. a liquid flow channel; 310. a water cutting mechanism; 3101. a movable ring; 3102. a power surface; 3103. a high pressure nozzle; 3104. a movable ball; 3601. a threaded joint ring; 3701. a fixing pin; 3901. a water flow spray head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-5, in the drawings: the embodiment is a preferred implementation manner in the technical scheme, and the goaf bottom edge construction drilling method comprises the following steps:
firstly, constructing a model, namely constructing a multilayer space visualization model in a goaf by combining an acoustic wave scanning technology and a BIM technology, generating acoustic waves outwards by an acoustic wave generator, transmitting the information to a processor by receiving acoustic wave feedback, recording the acoustic wave feedback direction and time, calculating an acoustic wave transmission distance d, d= (acoustic wave propagation speed V x time S)/2 by the processor, constructing the goaf model by combining a vector d and the BIM technology, and constructing a space model of a lower goaf by the same method;
sampling analysis, namely selecting soil components of each region at the bottom edge of the goaf for analysis, analyzing the abrupt adhesion degree of each region, judging the firmness of soil, and judging the adhesion degree of the soil by shearing the soil and observing the pressure applied when the soil is completely broken when the distance between sampling points is within one meter;
step three, selecting the edge with the highest soil adhesive strength to drill holes through the analysis of the step two;
step four, softening soil, namely continuously flushing the soil by circulating high-pressure water flow to form a ring-shaped soil softening layer;
fifthly, leading in the communicating pipe, and enabling the pipe body to continuously penetrate into soft soil under the action of continuous vibration of the vibrator and self gravity of the pipe body;
step six, taking soil, penetrating through the upper goaf and the lower goaf, continuously digging and conveying the soil inside the communicating pipe through the spiral conveying rod, and synchronously carrying out the operation and the vibration of the pipe body in the step five;
and seventhly, grouting and backfilling, taking down the spiral conveying rod and the vibration assembly, and injecting mortar into the goaf at the lower layer through the hollow communicating pipe.
And thirdly, selecting N equidistant points to drill holes on a circular band at the bottom edge of the goaf, wherein the number of the drilling points can be selected according to the actual filling speed requirement.
And seventhly, drilling a plurality of small-aperture air release holes in a non-perforated area in grouting backfill, wherein the diameters of the air release holes are 5CM-10CM.
The utility model provides a goaf bottom edge construction drilling equipment, includes water storage bin 1, the output of water storage bin 1 is connected with the input of pump 2 through water pipe 4, pump 2 is connected with the punching machine 3 that is used for punching through water pipe 4, punching machine 3 includes body 31, the inside detachable fixed mounting of body 31 has feeding mechanism the bottom swing joint of body 31 has water cutting mechanism 310, the inner wall of body 31 is provided with the liquid runner 39 that is used for intercommunication pump 2 and water cutting mechanism 310, just the outer wall of body 31 is provided with vibration subassembly.
The feeding mechanism comprises a motor 37 and a spiral feeding rod 36, the motor 37 is detachably and fixedly arranged on the inner side of the pipe body 31, the output end of the motor 37 is in threaded connection with a threaded connection ring 3601 of the spiral feeding rod 36, the threaded connection ring 3601 is fixedly connected with the motor 37 through a fixing pin 3701, the spiral feeding rod 36 is in threaded connection with the motor 37 in a connection mode and is fixed through bolts, the spiral feeding rod 36 is convenient to detach relative to the motor 37, replacement of the spiral feeding rod 36 is facilitated, meanwhile, the motor 37 is detachably and fixedly connected with the pipe body 31 through a fixing frame 38, and when subsequent drilling is finished, the spiral feeding rod 36 and the motor 37 are detached for recycling.
For convenient vibrator 35's recovery, accessible bolt fastening's mode fixed vibrator 35 and body 31, fixed storehouse 34 is to vibrator 35 vibration, and vibrator 35 drives body 31 vibration, cooperates body 31 self gravity through the vibration of fixed storehouse 34 for in the light soil that can go deep into of body 31, vibration subassembly includes fixed storehouse 34 and vibrator 35, fixed storehouse 34 detachable installs the outer wall at body 31, fixed storehouse 34 inner wall is fixed to be provided with vibrator 35.
Because the equipment is inconvenient to maintain, in order to form a soil annular flushing layer, and meanwhile, in order to reduce the application of electrical elements, a mechanism is designed, a annular flushing layer is formed through simple non-electric mechanical movement, the lower end of the pipe body 31 is provided with an annular groove, a water cutting mechanism 310 is movably connected inside the annular groove, the water cutting mechanism 310 comprises a movable ring 3101, the upper end of the movable ring 3101 is fixedly connected with a plurality of inclined-plane-shaped power surfaces 3102, holes are formed in the inner side of the power surfaces 3102, the holes are communicated with high-pressure spray heads 3103 which are positioned under the power surfaces 3102 and are fixed with the movable ring 3101, movable balls 3104 are connected to the lower end door of the movable ring 3101 in a rolling mode, one end of the liquid flow channel 39 is communicated with a water pipe 4, the other end of the liquid flow channel 39 is communicated with a water flow spray head 3901, and the water outlet direction of the water flow spray head 3901 is perpendicular to the inclined plane of the power surfaces 3102.
In order to facilitate the spiral conveying rod 36 to transport soil out of the pipe body 31, a discharge hole 32 is formed in the pipe body 31, a discharge plate 33 is arranged on the inner side of the pipe body 31 and close to the lower end face of the discharge hole 32, and materials enter the discharge hole 32 from the discharge plate 33 and are discharged.
In order to better facilitate the pipe body 31 to penetrate into the soil, the lower end of the pipe body 31 is of an inclined knife surface structure.
The working principle and the flow of the invention are as follows: the user lifts the device through an external lifting tool and deep into soil through self gravity, then starts the pump 2 and the water storage bin 1, injects high-pressure water flow into the annular groove at the bottom of the pipe body 31 through the liquid flow channel 39, impacts the water cutting mechanism 310 to drive the water cutting mechanism 310 to rotate, so that an annular water knife is formed at the bottom of the pipe body 31 to soften and cut the soil, then the vibration of the fixed bin 34 drives the pipe body 31 to continuously deep into the soil until the upper goaf and the lower goaf are communicated, then the user dismounts and recovers the fixed bin 34, the vibrator 35, the spiral material conveying rod 36 and the motor 37, and then grouting the goaf at the lower layer through the pipe body 31.
The foregoing is a further elaboration of the present invention in connection with the detailed description, and it is not intended that the invention be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the invention, should be considered as falling within the scope of the invention as defined in the appended claims.
Claims (8)
1. The goaf bottom edge construction drilling method is characterized by comprising the following steps of:
firstly, constructing a model, and constructing a multi-layer space visualization model in a goaf through the combination of an acoustic wave scanning technology and a BIM technology;
sampling and analyzing, namely selecting soil components of each region at the bottom edge of the goaf for analysis, analyzing the adhesion degree of soil of each region, and judging the firmness of the soil;
step three, selecting the edge with the highest soil adhesive strength to drill holes through the analysis of the step two;
step four, softening soil, namely continuously flushing the soil by circulating high-pressure water flow to form a ring-shaped soil softening layer;
fifthly, leading in the communicating pipe, and enabling the pipe body to continuously penetrate into soft soil under the action of continuous vibration of the vibrator and self gravity of the pipe body;
step six, taking soil, penetrating through the upper goaf and the lower goaf, continuously digging and conveying the soil inside the communicating pipe through the spiral conveying rod, and synchronously carrying out the operation and the vibration of the pipe body in the step five;
step seven, grouting and backfilling, taking down the spiral conveying rod and the vibration component, and injecting mortar into the lower goaf through the hollow communicating pipe
The water storage device comprises a water storage bin (1), wherein the output end of the water storage bin (1) is connected with the input end of a pump (2) through a water pipe (4), and the pump (2) is connected with a punching mechanism (3) for punching through the water pipe (4);
the punching mechanism (3) comprises a pipe body (31), a feeding mechanism is detachably and fixedly arranged in the pipe body (31), a water cutting mechanism (310) is movably connected to the bottom of the pipe body (31), a liquid flow passage (39) used for communicating the pump (2) and the water cutting mechanism (310) is arranged on the inner wall of the pipe body (31), and a vibration assembly is arranged on the outer wall of the pipe body (31);
the utility model discloses a pipe body, including body (31), ring channel inside swing joint has water cutting mechanism (310), water cutting mechanism (310) include expansion ring (3101), the upper end fixedly connected with of expansion ring (3101) is a plurality of inclined plane form power face (3102), the hole has been seted up to the inboard of power face (3102), just the hole intercommunication is located power face (3102) under and with expansion ring (3101) fixed high pressure shower nozzle (3103), the lower extreme door roll connection of expansion ring (3101) has movable ball (3104).
2. The goaf bottom edge construction drilling method according to claim 1, wherein: and thirdly, selecting N equidistant points on a circular band at the bottom edge of the goaf to drill holes.
3. The goaf bottom edge construction drilling method according to claim 1, wherein: and seventhly, drilling a plurality of small-aperture air release holes in the non-perforated area in grouting backfill.
4. The goaf bottom edge construction drilling method according to claim 1, wherein: the feeding mechanism comprises a motor (37) and a spiral feeding rod (36), the motor (37) is detachably and fixedly arranged on the inner side of the pipe body (31), the output end of the motor (37) is in threaded connection with a threaded connection ring (3601) of the spiral feeding rod (36), and the threaded connection ring (3601) is fixedly connected with the motor (37) through a fixing pin (3701).
5. The goaf bottom edge construction drilling method according to claim 1, wherein: the vibration assembly comprises a fixed bin (34) and a vibrator (35), wherein the fixed bin (34) is detachably arranged on the outer wall of the pipe body (31), and the vibrator (35) is fixedly arranged on the inner wall of the fixed bin (34).
6. The goaf bottom edge construction drilling method according to claim 1, wherein: the inside of body (31) has offered discharge gate (32), the inboard of body (31) is close to the lower terminal surface of discharge gate (32) and is provided with discharge plate (33).
7. The goaf bottom edge construction drilling method according to claim 1, wherein: the lower end of the pipe body (31) is of an inclined knife face structure.
8. The goaf bottom edge construction drilling method according to claim 1, wherein: one end of the liquid flow passage (39) is communicated with a water pipe (4), the other end of the liquid flow passage (39) is communicated with a water flow nozzle (3901), and the water outlet direction of the water flow nozzle (3901) is perpendicular to the inclined plane of the power surface (3102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111634191.3A CN114320159B (en) | 2021-12-29 | 2021-12-29 | Goaf bottom edge construction drilling method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111634191.3A CN114320159B (en) | 2021-12-29 | 2021-12-29 | Goaf bottom edge construction drilling method and device |
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| Publication Number | Publication Date |
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| CN114320159A CN114320159A (en) | 2022-04-12 |
| CN114320159B true CN114320159B (en) | 2024-02-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115144217A (en) * | 2022-06-27 | 2022-10-04 | 上海旻悦勘察设计有限公司 | Soil sampling device for reconnaissance design and using method thereof |
| CN116792047B (en) * | 2023-08-23 | 2023-11-14 | 中国电建集团西北勘测设计研究院有限公司 | Rock drilling sampling device for fracture analysis of deep-buried tunnel |
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| CN210451107U (en) * | 2019-08-30 | 2020-05-05 | 泉州市九州创源机械有限公司 | Drilling equipment for engineering |
| CN211954746U (en) * | 2020-03-09 | 2020-11-17 | 天津丰阳生态环境科技有限责任公司 | Drilling and soil taking equipment for soil detection |
| CN212003029U (en) * | 2020-05-06 | 2020-11-24 | 邢军 | Drilling device that punches that highway maintenance was used |
| CN212428567U (en) * | 2020-05-20 | 2021-01-29 | 鄂尔多斯市磐宏爆破有限公司 | Rock drilling device |
| CN112444428A (en) * | 2020-12-01 | 2021-03-05 | 中国地质科学院 | Novel soil sampling device for geological exploration and soil sampling method thereof |
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2021
- 2021-12-29 CN CN202111634191.3A patent/CN114320159B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210451107U (en) * | 2019-08-30 | 2020-05-05 | 泉州市九州创源机械有限公司 | Drilling equipment for engineering |
| CN211954746U (en) * | 2020-03-09 | 2020-11-17 | 天津丰阳生态环境科技有限责任公司 | Drilling and soil taking equipment for soil detection |
| CN212003029U (en) * | 2020-05-06 | 2020-11-24 | 邢军 | Drilling device that punches that highway maintenance was used |
| CN212428567U (en) * | 2020-05-20 | 2021-01-29 | 鄂尔多斯市磐宏爆破有限公司 | Rock drilling device |
| CN112444428A (en) * | 2020-12-01 | 2021-03-05 | 中国地质科学院 | Novel soil sampling device for geological exploration and soil sampling method thereof |
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